black slaves, 450,000. >> who were responsible for bringing the black slaves to america? >> a lot of people. a lot of people who regretted that they had. a lot of the merchants were quakers bringing slaves in. and then there would not do that after a certain point. in the beginning they were. the british and the french had the largest organized slave trade. a lot of people in the colonies were slave traders, too, but there were nominally british of the time. >> how many other countries had people, forces, military in and around the colonies? >> the spanish were present in the caribbean and west of the mississippi. all the way down into mexico. the spanish were a presence essentially on the southern frontier of the colonies. the french had been kicked out of north america in 1763 after the french and indian war. while there were a lot, number of french people were living in canada and in the great lakes area. but france was not much of a presence. that is why the french were so anxious to cause trouble for the british and help the colonies by sending the money and ammuniti